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A civilization that utilizes the energy equivalent of its planet's available resources but in a crude, uncontrolled, and unsustainable manner—typically, humanity in the 20th and 21st centuries. We tap fossil fuels (ancient planetary energy), nuclear fission, and a fraction of incoming sunlight, but are plagued by waste, pollution, and geopolitical conflict over these resources. We have planetary-scale effects but not planetary-scale control or wisdom.
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